// TortoiseGit - a Windows shell extension for easy version control

// Copyright (C) 2023 - TortoiseGit
// External Cache Copyright (C) 2005 - 2006 - Will Dean, Stefan Kueng

// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
#pragma once

#include "TGitPath.h"
#include "SmartHandle.h"

/**
 * \ingroup TGitCache
 * Handles notifications to the shell about status changes. This is done
 * in a separate thread to avoid deadlocks.
 */
class CShellUpdater
{
public:
	CShellUpdater();
	~CShellUpdater();

public:
	void Initialise();
	void AddPathForUpdate(const CTGitPath& path);
	void Stop();

private:
	static unsigned int __stdcall ThreadEntry(void* pContext);
	void WorkerThread();

private:
	CComAutoCriticalSection m_critSec;
	CAutoGeneralHandle m_hThread;
	std::deque<CTGitPath> m_pathsToUpdate;
	CAutoGeneralHandle m_hTerminationEvent;
	CAutoGeneralHandle m_hWakeEvent;

	volatile bool m_bItemsAddedSinceLastUpdate = false;
	volatile LONG m_bRunning = FALSE;
};


